Home / 18,958.93-28,416.25-14,263.85

Finding the Fourth Proportional to 18,958.93, 28,416.25 and 14,263.85

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Solution

The fourth proportional to 18,958.93, 28,416.25 and 14,263.85 is: 21,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.93 : 28,416.25 = 14,263.85 : x
  2. Step 2: Convert to fraction form
    18,958.93/28,416.25 = 14,263.85/x
  3. Step 3: Cross multiply
    18,958.93x = 28,416.25 × 14,263.85
  4. Step 4: Simplify right side
    18,958.93x = 405,325,206.33
  5. Step 5: Solve for x
    x = 405,325,206.33/18,958.93
  6. Step 6: Final answer
    x = 21,379.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.